Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

A Cloud Computing-Based Modified Symbiotic Organisms Search Algorithm for Ecosystem Sustainability

Version 1 : Received: 21 September 2021 / Approved: 23 September 2021 / Online: 23 September 2021 (12:31:06 CEST)

How to cite: Zubair, A.A.; Razak, S.B.A.; Ngadi, M.A.B. A Cloud Computing-Based Modified Symbiotic Organisms Search Algorithm for Ecosystem Sustainability. Preprints 2021, 2021090407 (doi: 10.20944/preprints202109.0407.v1). Zubair, A.A.; Razak, S.B.A.; Ngadi, M.A.B. A Cloud Computing-Based Modified Symbiotic Organisms Search Algorithm for Ecosystem Sustainability. Preprints 2021, 2021090407 (doi: 10.20944/preprints202109.0407.v1).

Abstract

The search algorithm based on symbiotic organisms’ interactions is a relatively recent bio-inspired algorithm of the swarm intelligence field for solving numerical optimization problems. It is meant to optimize applications based on the simulation of the symbiotic relationship among the distinct species in the ecosystem. The modified SOS algorithm is developed to solve independent task scheduling problems. This paper proposes a modified symbiotic organisms search based scheduling algorithm for efficient mapping of heterogeneous tasks to access cloud resources of different capacities. The significant contribution of this technique is the simplified representation of the algorithm's mutualism process, which uses equity as a measure of relationship characteristics or efficiency of species in the current ecosystem to move to the next generation. These relational characteristics are achieved by replacing the original mutual vector, which uses an arithmetic mean to measure the mutual characteristics with a geometric mean that enhances the survival advantage of two distinct species. The modified symbiotic organisms search algorithm (G_SOS) aimed to minimize the task execution time (Makespan), response, degree of imbalance and cost and improve the convergence speed for an optimal solution in an IaaS cloud. The performances of the proposed technique have been evaluated using a Cladism toolkit simulator, and the solutions are found to be better than the existing standard (SOS) technique and PSO.

Keywords

cloud computing; cloud resource management; task scheduling; ecosystem; geometric mean; symbiotic organisms search algorithm; convergence speed

Subject

MATHEMATICS & COMPUTER SCIENCE, Artificial Intelligence & Robotics

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